|Date|Home team|Score|Away team|Notes|
|---|---|---|---|---|
|17 December 2007|Foolad|4-4|Esteghlal Ahvaz|Foolad progress 8-7 on penalties|
|21 December 2007|Rah Ahan|2-2|Steel Azin|Rah Ahan progress 5-2 on penalties|
|21 December 2007|Zob Ahan|1-1|Esteghlal|Esteghlal progress 3-1 on penalties|
|21 December 2007|Bargh Shiraz|1-0|Paykan Tehran||
|21 December 2007|Shahin Bushehr|2-2|Saba Battery|Shahin Bushehr progress 6-5 on penalties|
|24 December 2007|Pas Hamedan|3-0|Persepolis||
|26 February 2008|Moghavemat Sepasi|1-2|Sepahan||
|4 March 2008|Sanaye Arak|0-1|Pegah Gilan||

Question: how many ties are listed total?
Answer: 4